Re: [PATCH v3 1/3] clk: qcom: dispcc-sm8450: Fix disp_cc_mdss_mdp_clk_src ops

David Heidelberg <[email protected]> Fri, 17 Jul 2026 23:02:11 +0200
Newsgroups org.kernel.vger.phone-devel,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-clk,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
On 14/07/2026 05:28, Esteban Urrutia via B4 Relay wrote:
> From: Esteban Urrutia <[email protected]>
> 
> If the clock frequency is changed at registration time, a flicker will be
> visible at boot.
> Switching to clk_rcg2_shared_no_init_park_ops fixes this.
> 
> Fixes: 16fb89f92ec4 ("clk: qcom: Add support for Display Clock Controller on SM8450")
> Reviewed-by: Konrad Dybcio <[email protected]>
> Signed-off-by: Esteban Urrutia <[email protected]>
> ---
>   drivers/clk/qcom/dispcc-sm8450.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
Heya,

it's likely this change will be safe for older sdm845 too? Comma.AI people have 
it applied downstream on top of 6.18/7.1 [1], so I'm wondering if it's something 
after testing on available targets could be enabled for 845 too.

David

[1] 
https://github.com/commaai/vamOS/blob/master/kernel/patches/0004-clk-qcom-dispcc-sdm845-use-no_init_park-ops-for-disp.patch
[...]